We develop web-based tutorials to provide instruction on common grammar problems. The following sample tutorial explains the appropriate use of the relative pronouns "that" and "which."

Relative Pronouns "That"
vs."Which"

Relative clauses beginning with the relative
pronouns that, which, who, whom,
and whose modify nouns in a sentence. The pronouns that
and which are the most commonly misused relative pronouns.

The following on-line tutorial explains how
to use these relative pronouns. Click on each check mark below
in the order in which it appears to learn how to use relative
clauses correctly and how to avoid their misuse. Or click on
"Test Yourself" to see if you know the rules!